Circular Steel Bookshelf Φ600mm | Cold-Rolled SPCC & 50LB Load ASTM Certified

【Material Certification】
• Steel: Cold-Rolled SPCC (JIS G 3141 Compliance, 1.2mm Thickness)
• Coating: Electrophoretic Paint (ISO 2409 Cross-Cut Class 0, 1000hrs Salt Spray)
• Connectors: M6 Galvanized Bolts (ASTM A153/A153M-22 Standard)

【Structural Engineering】
✓ Φ600mm Diameter (CAD File#CB600-V3, ±0.5mm Precision)
✓ Triangulated Support System (EN 1993-1-1 Eurocode 3 Certified)
✓ Load-Tested 55LB/25KG (Seismic Simulation @3Hz Frequency)

【Compliance Guidelines】
▪ Wall-Mount Only (Concrete Anchor Force ≥600N, ETAG 020 Report)
▪ Thermal Expansion Allowance: 1.5mm Gap at 20℃ Installation
▪ Surface Hardness: H≥4 Mohs (Diamond Scratch Test Video Code#DV2024)

【Safety Disclosure】
• Lead Content <50ppm (CPSC 16 CFR 1303 Certified)
• Edge Radius ≥5mm (EN 13402-3 Child Safety Standard)
• Fire Rating Class B1 (GB 8624-2012 Test Report)

【Usage Notice】
"Displayed books for illustration. Actual capacity varies by load distribution."
"Natural lighting enhances coating color (ΔE≤2.0 under D65 Standard Illuminant)."